package reflectdemo;
class Student{
    //私有属性name
    private String name = "bit";
    //公有属性age
    public int age = 18;
    //不带参数的构造方法
    public Student(){
        System.out.println("Student()");
    }
    private Student(String name,int age) {
        this.name = name;
        this.age = age;
        System.out.println("Student(String,name)");
    }
    private void eat(){
        System.out.println("i am eat");
    }
    public void sleep(){
        System.out.println("i am pig");
    }
    private void function(String str) {
        System.out.println(str);
    }
    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
}
public class Test {
    public static void main(String[] args) {
        Student student = new Student();
        Class<?> c1=student.getClass();//获取一个Class对象方法1

        Class<?> c2=Student.class;//获取一个Class对象方法2

        Class<?> c3=null;
        try {
             c3=Class.forName("reflectdemo.Student");//获取一个Class对象方法3
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
        //一个类对应一个Class对象
        System.out.println(c1==c2);
        System.out.println(c2==c3);
        System.out.println(c3==c1);



    }
}
